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Lockable cap for fuel tank

A technology for locking caps and outer caps, applied in the field of locking caps, which can solve the problems of attachment, inability to tighten, loosen, and engine start.

Inactive Publication Date: 2013-09-25
HONDA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the cap using a key, if the cylinder lock is unlocked with the key after tightening the cap, the protrusion on the cylinder lock side (driver side) will be separated from the groove on the male thread side (driven side), so it cannot be tightened. Loosen (for example, refer to Patent Document 2)
[0005] However, in the fuel tank cap of Patent Document 1, since the engine can be started without closing the cap, there is a problem that the engine is started without closing the cap inadvertently, and then the running is started.
[0006] In the cap of Patent Document 2, when the cap is opened to place or hang the cap, there is a problem that sand and muddy water adhere to the external thread of the cap

Method used

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  • Lockable cap for fuel tank
  • Lockable cap for fuel tank
  • Lockable cap for fuel tank

Examples

Experimental program
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Effect test

no. 4 example 11

[0113] The cover 11D of the fourth embodiment includes an outer cover (substantially the same as the outer cover 21C of the third embodiment), a return cylinder 46D, and an inner ratchet 51C.

[0114] Referring to the outer cover 21C of the third embodiment, the outer cover is provided with: a key insertion opening 121 for inserting the key 12; Figure 13 The slide groove 122 of the third embodiment shown is substantially the same).

[0115] The reset cylinder 46D includes: a cylindrical main body 61C disposed on the back side of the key insertion opening 121; a key front end fitting recess 123; a link mechanism 141 provided on the outer peripheral surface of the cylindrical main body 61C; and a key stopper 127D connected to the link mechanism 141 ; The transmission cut-off groove 68 ( Figure 15A ). The link mechanism 141 is fitted and guided by the slide groove.

[0116] The link mechanism 141 includes: a pair of first arm portions 142 extending outward from the outer per...

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Abstract

A lockable cap for a fuel tank. The cap (11, 11B, 11C, 11D, 11E) is provided with a ring stopper (26) for making connection and disconnection between an outer cap (21) and a housing cap (23). The ring stopper releases connection between the housing cap and the outer cap upon completion of closing of a fuel filling opening (14), and this ensures that a user does not inadvertently forget to close the cap.

Description

technical field [0001] The present invention relates to a lock cap for opening and closing a fuel supply port of a fuel tank. Background technique [0002] In the lock cap, the threaded portion of the cap is rotatable by a key, and the key is released to open the fuel supply port of the fuel tank. For example, it is known to lock the cover with a key to start the engine to make it idling (unopenable), or to lock it without using a key to make it idling (unopenable). [0003] Among the caps that do not use keys, for example, as disclosed in Patent Document 1, there is a known fuel tank cap: when the cap is tightened, if it is rotated clockwise, the parts of the cylinder lock in the cap will rotate to the locked position, and the cap will be locked. Locking, so the key can be used in the oil supply, and various electric accessories can be operated at the same time as the oil supply. [0004] In the cap using a key, if the cylinder lock is unlocked with the key after tighteni...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60K15/05E05B65/12
CPCE05B83/34B60K2015/0412B60K2015/0451B60K15/0409
Inventor 菊地晋堀江贤一
Owner HONDA MOTOR CO LTD
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